| 摘要 |
- 60 -AbstractThe present invention is to provide a vesicle composition comprising the following components (A), (B) and (C):0.0001 to 20 mass% of an organic acidrepresented by general formula (1):wherein R1 represents a natural sterin having a single hydroxy group or a hydrogenated product thereof or a residue which remains after a hydrogen atom is removed from the hydroxy group of bile acid, R2 represents a divalent hydrocarbon group having 1 to 24 carbon atoms, M represents a hydrogen atom, an alkali metal, an alkali earth metal, ammonium, an alkanolammonium having 2 to 9 carbon atoms in total, an alkylammonium or alkenylammonium having 1 to 22 carbon atoms in total, pyridinium substituted with an alkyl group or alkenyl group having 1 to 18 carbon atoms or a basic amino acid,0.0001 to 10 mass % of a sphingosine, andwater, andhaving a pH of 2 to 11.it TiC - R2 C -OM |
